Additional Listing

6 July 2011

Oxford Instruments plc.

Additional Listing.

Application has been made to The UK Listing Authority and The London Stock
Exchange for a block listing totalling 175,000 Ordinary shares of 5 pence each
to trade on The London Stock Exchange and to be admitted to The Official List.
The shares shall rank equally with the existing issued shares of the Company.

The Block listing consists of 175,000 shares to be issued under the Executive
Share Option Scheme.

Enquiries:

Oxford Instruments plc

Susan Johnson-Brett, Company Secretary Tel: [phone]

Email: [e-mail]